110101010121220 has 96 divisors (see below), whose sum is σ = 243532077465600. Its totient is φ = 41696628349824.

The previous prime is 110101010121217. The next prime is 110101010121293. The reversal of 110101010121220 is 22121010101011.

It is a happy number.

It is a super-3 number, since 3×110101010121220³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110101010121220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5148986649 + ... + 5149008031.

It is an arithmetic number, because the mean of its divisors is an integer number (2536792473600).

Almost surely, 2^{110101010121220} is an apocalyptic number.

110101010121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110101010121220 is an abundant number, since it is smaller than the sum of its proper divisors (133431067344380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110101010121220 is a wasteful number, since it uses less digits than its factorization.

110101010121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29177 (or 29175 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110101010121220 its reverse (22121010101011), we get a palindrome (132222020222231).

The spelling of 110101010121220 in words is "one hundred ten trillion, one hundred one billion, ten million, one hundred twenty-one thousand, two hundred twenty".